/*
 * Copyright (C) 2020 Graylog, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the Server Side Public License, version 1,
 * as published by MongoDB, Inc.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * Server Side Public License for more details.
 *
 * You should have received a copy of the Server Side Public License
 * along with this program. If not, see
 * <http://www.mongodb.com/licensing/server-side-public-license>.
 */
import React, { useContext } from 'react';

import { Link } from 'components/common/router';
import Routes from 'routing/Routes';
import { PipelineRulesContext } from 'components/rules/RuleContext';
import { Input } from 'components/bootstrap';

import RuleFormStyle from './RuleForm.css';

type PipelinesUsingRuleProps = {
  create: boolean;
};

const PipelinesUsingRule = ({ create }: PipelinesUsingRuleProps) => {
  const { usedInPipelines } = useContext(PipelineRulesContext);

  if (create) {
    return null;
  }

  const formattedPipelines = () =>
    usedInPipelines.map((pipeline) => (
      <li key={pipeline.id}>
        <Link to={Routes.SYSTEM.PIPELINES.PIPELINE(pipeline.id)}>{pipeline.title}</Link>
      </li>
    ));

  return (
    <Input
      id="used-in-pipelines"
      label="Used in pipelines"
      help="Pipelines that use this rule in one or more of their stages.">
      <div className="form-control-static">
        {usedInPipelines.length === 0 ? (
          'This rule is not being used in any pipelines.'
        ) : (
          <ul className={RuleFormStyle.usedInPipelines}>{formattedPipelines()}</ul>
        )}
      </div>
    </Input>
  );
};

export default PipelinesUsingRule;
